Secure mail gateway

Download
index.pdf
2010
Tanık, Güven Orkun
Show full item record
163
views
38
downloads
Past few decades witnessed the birth and explosive growth of the internet and the communications –most notably the electronic mail- through it. Studies indicate that although security measures are deployed, their usage is very limited and problematic. This work proposes a system to address some of the shortcomings of present mail security systems, such as underutilization, complicated key management and unwanted immunization against filtering-scanning. A two-layer message encryption scheme with domain level keys is introduced and a performance analysis is presented. An analysis of the improvement on the key management is also presented. Results show that, e-mails can be secured without significant performance impact, and visible ease of key management, by using the system proposed in this thesis.
Computer enginnering., Cryptography., Security.
http://etd.lib.metu.edu.tr/upload/12612038/index.pdf
https://hdl.handle.net/11511/19556
Graduate School of Natural and Applied Sciences, Thesis

Suggestions

A content boosted collaborative filtering approach for recommender systems based on multi level and bidirectional trust data
Şahinkaya, Ferhat; Alpaslan, Ferda Nur; Department of Computer Engineering (2010)
As the Internet became widespread all over the world, people started to share great amount of data on the web and almost every people joined different data networks in order to have a quick access to data shared among people and survive against the information overload on the web. Recommender systems are created to provide users more personalized information services and to make data available for people without an extra effort. Most of these systems aim to get or learn user preferences, explicitly or impli...
A content boosted collaborative filtering approach for movie recommendation based on local & global similarity and missing data prediction
Özbal, Gözde; Alpaslan, Ferda Nur; Department of Computer Engineering (2009)
Recently, it has become more and more difficult for the existing web based systems to locate or retrieve any kind of relevant information, due to the rapid growth of the World Wide Web (WWW) in terms of the information space and the amount of the users in that space. However, in today's world, many systems and approaches make it possible for the users to be guided by the recommendations that they provide about new items such as articles, news, books, music, and movies. However, a lot of traditional recommen...
Secure electronic exam
Ölçüoğlu, Lütfü Tarkan; Doğanaksoy, Ali; Akleylek, Sedat; Department of Cryptography (2016)
With the recent developments in information technology, computers and mobile devices have an important role in daily life. The field of education are also affected by these developments, as a result electronic learning (e-learning) subject becomes popular. By the developments in e-learning area, students are now able to reach their documents using computers instead of books. This situation provides teachers to perform exams in digital environments. Information security concepts in an exam should be satisfied ...
Real-time video encoder on tmsc6000 platform
Erdoğan, Baran; Akar, Gözde; Department of Electrical and Electronics Engineering (2004)
Technology is integrated into daily life more than before as it evolves through communication area. In the past, it started with audio devices that help us to communicate while far between two ends of communication line. Nowadays visual communication comes in front considering the communication technology. This became possible with the improvement in the compression techniques of visual data and increasing speed, optimized architecture of the new family processors. These type processors are named as Digital...
A hybrid recommendation system capturing the effect of time and demographic data
Oktay, Fulya; Alpaslan, Ferda Nur; Department of Computer Engineering (2010)
The information that World Wide Web (WWW) provides have grown up very rapidly in recent years, which resulted in new approaches for people to reach the information they need. Although web pages and search engines are indeed strong enough for us to reach what we want, it is not an efficient solution to present data and wait people to reach it. Some more creative and beneficial methods had to be developed for decreasing the time to reach the information and increase the quality of the information. Recommendat...
Citation Formats
G. O. Tanık, “Secure mail gateway,” M.S. - Master of Science, Middle East Technical University, 2010.
METU IIS - Integrated Information Service open@metu.edu.tr